Tighten gas cap help
05-21-2017, 03:32 PM
#1
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Tighten gas cap help Keep getting engine code for tighten gas cap, I bought a new one..... still keep throwing code. I heard there is some thing behind the gas fill beck that can b cleaned to possibly remedy this. No clue what I'm doing or how to clean it
05-21-2017, 11:05 PM
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My bet would be the EVAP vent solenoid. I recently had an ongoing check gas cap followed by a MIL P0455 (large leak). Replacing gas cap made no difference. Dealer smoke tested, and found the vent solenoid to be in need of replacing. New solenoid and connector fixed the problem.